Variable speed drill



FIG. 1 is a front perspective view of a variable speed drill showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view of the new design in its intended environment.

The broken lines showing the electrical cord and the hook are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a variable speed drill, as shown and described. 